diff options
| author | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2021-07-01 03:00:15 +0300 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2021-08-07 11:48:38 -0700 |
| commit | b93cc4b201372d4ab16f501ef3a2d3aac1f01f08 (patch) | |
| tree | aec6f684aa1e70f03a74210f630647366716845d /drivers/gpu/drm/msm/dsi | |
| parent | 5ac178381d2652719566322e7a04ef18c98d5092 (diff) | |
drm/msm/dsi: drop gdsc regulator handling
None of supported devies uses "gdsc" regulator for DSI. GDSC support is
now implemented as a power domain. Drop old code and config handling
gdsc regulator requesting and enabling.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20210701000015.3347713-1-dmitry.baryshkov@linaro.org
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/msm/dsi')
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_cfg.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_host.c | 22 |
2 files changed, 7 insertions, 27 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c b/drivers/gpu/drm/msm/dsi/dsi_cfg.c index f3f1c03c7db9..32c37d7c2109 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_cfg.c +++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c @@ -32,9 +32,8 @@ static const char * const dsi_6g_bus_clk_names[] = { static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = { .io_offset = DSI_6G_REG_SHIFT, .reg_cfg = { - .num = 4, + .num = 3, .regs = { - {"gdsc", -1, -1}, {"vdd", 150000, 100}, /* 3.0 V */ {"vdda", 100000, 100}, /* 1.2 V */ {"vddio", 100000, 100}, /* 1.8 V */ @@ -53,9 +52,8 @@ static const char * const dsi_8916_bus_clk_names[] = { static const struct msm_dsi_config msm8916_dsi_cfg = { .io_offset = DSI_6G_REG_SHIFT, .reg_cfg = { - .num = 3, + .num = 2, .regs = { - {"gdsc", -1, -1}, {"vdda", 100000, 100}, /* 1.2 V */ {"vddio", 100000, 100}, /* 1.8 V */ }, @@ -73,9 +71,8 @@ static const char * const dsi_8976_bus_clk_names[] = { static const struct msm_dsi_config msm8976_dsi_cfg = { .io_offset = DSI_6G_REG_SHIFT, .reg_cfg = { - .num = 3, + .num = 2, .regs = { - {"gdsc", -1, -1}, {"vdda", 100000, 100}, /* 1.2 V */ {"vddio", 100000, 100}, /* 1.8 V */ }, @@ -89,9 +86,8 @@ static const struct msm_dsi_config msm8976_dsi_cfg = { static const struct msm_dsi_config msm8994_dsi_cfg = { .io_offset = DSI_6G_REG_SHIFT, .reg_cfg = { - .num = 7, + .num = 6, .regs = { - {"gdsc", -1, -1}, {"vdda", 100000, 100}, /* 1.25 V */ {"vddio", 100000, 100}, /* 1.8 V */ {"vcca", 10000, 100}, /* 1.0 V */ diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index ba7059c83167..74792386c727 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -207,35 +207,22 @@ static const struct msm_dsi_cfg_handler *dsi_get_config( { const struct msm_dsi_cfg_handler *cfg_hnd = NULL; struct device *dev = &msm_host->pdev->dev; - struct regulator *gdsc_reg; struct clk *ahb_clk; int ret; u32 major = 0, minor = 0; - gdsc_reg = regulator_get(dev, "gdsc"); - if (IS_ERR(gdsc_reg)) { - pr_err("%s: cannot get gdsc\n", __func__); - goto exit; - } - ahb_clk = msm_clk_get(msm_host->pdev, "iface"); if (IS_ERR(ahb_clk)) { pr_err("%s: cannot get interface clock\n", __func__); - goto put_gdsc; + goto exit; } pm_runtime_get_sync(dev); - ret = regulator_enable(gdsc_reg); - if (ret) { - pr_err("%s: unable to enable gdsc\n", __func__); - goto put_gdsc; - } - ret = clk_prepare_enable(ahb_clk); if (ret) { pr_err("%s: unable to enable ahb_clk\n", __func__); - goto disable_gdsc; + goto runtime_put; } ret = dsi_get_version(msm_host->ctrl_base, &major, &minor); @@ -250,11 +237,8 @@ static const struct msm_dsi_cfg_handler *dsi_get_config( disable_clks: clk_disable_unprepare(ahb_clk); -disable_gdsc: - regulator_disable(gdsc_reg); +runtime_put: pm_runtime_put_sync(dev); -put_gdsc: - regulator_put(gdsc_reg); exit: return cfg_hnd; } |